4863 Maxwell Ave, Longmont, CO 80503 Property Records

Boulder County property record for 4863 Maxwell Ave, Longmont, CO 80503

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,450 sqft · built 2018
Lot Size	0.125 acres (5,462 sqft)
Owner	2 Individual Names on Record
Last Sale	$559,920 (Dec 2018)
Tax Bill	$5,950 (2025)
Deeds & Mortgages	Jan 2021 Mortgage May 2019 Mortgage + 4 more
Flood Zone	Zone X (minimal risk)
APN	`1315-18-3-21-004`

Property Details

APN / Parcel Number

Primary APN	`1315-18-3-21-004`
Alternative APN	`R0608714`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,450 sqft Living Area
Gross Area	4,390 sqft
1st Floor Area	1,363 sqft
Upper Floors Area	1,087 sqft
Basement Area	1,363 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2018
Effective Year Built	Effective 2018
Exterior Material	Composition/Composite
Construction Type	Frame
Roof Material	Asphalt
Lot Area	5,462 sqft (0.125 acres)
Garage Type	Attached
Garage Area	577 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	254 sqft
Deck Area	400 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0608714
Street Address	4863 MAXWELL AVE
City	LONGMONT
State	CO
Zip	80503-2712
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 4 BLK 4 CLOVER BASIN RANCH
Legal Range	69
Legal Township	2N
Legal Section	18
Legal Subdivision	CLOVER BASIN RANCH
Legal Block	4
Legal Lot Number	4
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	1
Census Block	1005
Census Tract	13214

Owner

Source: Boulder County records, as of June 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	4863 MAXWELL AVE, LONGMONT, CO 80503-2712
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 12, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
May 7, 2019	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Apr 24, 2020	Deed of Trust, Mortgage · Conventional Mortgage LAKEVIEW LN SERVICING
Dec 3, 2018	Grant Deed, Transfer · Conventional Mortgage LOANDEPOT.COM LLC
Mar 8, 2018	Loan Modification, Mortgage · Line of Credit FLAGSTAR BK
Feb 12, 2018	Grant Deed, Transfer GOLDEN DOG TITLE AND TRUST

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 3, 2018 · Amount on Record
Deed Sale	Dec 3, 2018 · Amount on Record
Deed Document Number	20183688290
Record Updated	Sep 20, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4863 MAXWELL AVE, LONGMONT, CO 80503-2712
Transaction Type	Mortgage
Record Updated	Feb 8, 2021
Title Company	CAPITAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003849855
Date	Jan 12, 2021
Instrument	3849855

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	301 Months
Due	Feb 1, 2046

May 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4863 MAXWELL AVE, LONGMONT, CO 80503-2712
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003710855
Date	May 7, 2019
Instrument	3710855

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2049

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4863 MAXWELL AVE, LONGMONT, CO 80503-2712
Document Number	0003782821
Instrument Date	Apr 24, 2020
Transaction Type	Mortgage
Record Updated	Jun 25, 2020
Title Company	ASCENDANT TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4863 MAXWELL AVE LONGMONT CO 805032712, LONGMONT, CO 80503-2712

Mortgage

Document Number	0003782821
Date	May 7, 2020
Instrument	3782821

Lender

Name	LAKEVIEW LN SERVICING
Type	Funding / Finance Company
Address	CORAL GABLES, FL 33146

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	300 Months
Due	May 6, 2045

December 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 3, 2018
Property Address	4863 MAXWELL AVE, LONGMONT, CO 80503-2712
Document Number	0003688290
Instrument Date	Nov 30, 2018
Instrument	3688290
Transaction Type	Transfer
Record Updated	Dec 14, 2018
Title Company	OTHER

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$55.99
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4863 MAXWELL AVE LONGMONT CO 805032712, LONGMONT, CO 80503-2712

Mortgage

Document Number	3688291
Date	Dec 3, 2018
Instrument	3688291

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 2, 2048

March 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	BOULDER CO
Recording Date	Mar 8, 2018
Property Address	4863 MAXWELL AVE, LONGMONT, CO 80503-2712
Instrument Date	Mar 6, 2018
Instrument	3644271
Transaction Type	Mortgage
Record Updated	Mar 15, 2018

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Investor	Possibly a Property Investor

Mortgage

Document Number	0003644271
Date	Mar 8, 2018
Instrument	3644271

Lender

Name	FLAGSTAR BK
Type	Bank
Address	8310 S VALLEY HWY # 145, ENGLEWOOD, CO 80112-5886

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

February 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Feb 12, 2018
Property Address	4863 MAXWELL AVE, LONGMONT, CO 80503-2712
Document Number	0003640138
Instrument Date	Feb 8, 2018
Instrument	3640138
Transaction Type	Transfer
Record Updated	Feb 16, 2018
Title Company	GOLDEN DOG TITLE AND TRUST

Transaction

Amount	Amount Recorded
Tax	$137.02
Amount Accuracy	Confirmed
Additional	Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2727 BRYANT ST #200 DENVER CO 802114152, 200, DENVER, CO 80211-4152

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Longmont City
Unified School District	St. Vrain Valley School District RE 1J (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$61,676 (+8.8%) Land $10,023 Building $51,653	$907,000 (-) Land $147,400 Building $759,600
2025	$5,950.00 (+10.84%)	$56,688 (-6.44%) Land $9,213 Building $47,475	$907,000 (+0.3%) Land $147,400 Building $759,600
2023	$5,368.00 (+16.37%)	$60,588 (+29.96%) Land $9,755 Building $50,833	$904,300 (+34.81%) Land $145,600 Building $758,700
2022	$4,613.00	$46,621 Land $7,423 Building $39,198	$670,800 Land $106,800 Building $564,000

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	5 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 62% of the US · lower than 78% of Colorado
Wildfire Likelihood	0.06% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF LONGMONT serves 104,178 people · EPA ID CO0107485
Water Source	Surface water
Last State Inspection	Sep 2025
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 648 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
NextLight Fiber	10,000 / 10,000
Xfinity Cable	1,200 / 35
CenturyLink DSL · Fiber in parts of the area	140 / 20

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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