4910 Maxwell Ave, Longmont, CO 80503 Property Records

Boulder County property record for 4910 Maxwell Ave, Longmont, CO 80503

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,933 sqft · built 2018
Lot Size	0.152 acres (6,615 sqft)
Owner	2 Individual Names on Record
Last Sale	$845,000 (Aug 2020)
Tax Bill	$7,425 (2025)
Deeds & Mortgages	Aug 2020 Sale & Mortgage Dec 2019 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1315-18-3-20-007`

Property Details

APN / Parcel Number

Primary APN	`1315-18-3-20-007`
Alternative APN	`R0608710`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	3,933 sqft Living Area
Gross Area	4,943 sqft
1st Floor Area	2,778 sqft
Basement Area	1,482 sqft
Finished Basement	1,155 sqft
Unfinished Basement	327 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2018
Effective Year Built	Effective 2018
Architectural Style	Ranch
Exterior Material	Composition/Composite
Construction Type	Frame
Roof Material	Asphalt
Lot Area	6,615 sqft (0.152 acres)
Garage Type	Attached
Garage Area	683 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	114 sqft
Patio Area	254 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0608710
Street Address	4910 MAXWELL AVE
City	LONGMONT
State	CO
Zip	80503-2728
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 7 BLK 3 CLOVER BASIN RANCH
Legal Range	69
Legal Township	2N
Legal Section	18
Legal Subdivision	CLOVER BASIN RANCH
Legal Block	3
Legal Lot Number	7
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	4910 MAXWELL AVE, LONGMONT, CO 80503-2728
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Aug 20, 2020	Warranty Deed, Transfer · Conventional Mortgage STIFEL BANK & TRUST
Dec 3, 2019	Grant Deed, Mortgage · Line of Credit FLAGSTAR BK
Oct 23, 2018	Grant Deed, Transfer RCN CAP
Feb 2, 2018	Grant Deed, Construction Loan · Line of Credit COBIZ BK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 20, 2020 · Amount on Record
Deed Sale	Aug 20, 2020 · Amount on Record
Prior Sale	Oct 23, 2018 · Amount on Record
Deed Document Number	20203808148
Record Updated	Sep 20, 2026

August 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 20, 2020
Property Address	4910 MAXWELL AVE, LONGMONT, CO 80503-2728
Document Number	0003808148
Instrument Date	Aug 19, 2020
Instrument	3808148
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	GOLDEN DOG TITLE & TRUST

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$84.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4910 MAXWELL AVE, LONGMONT, CO 80503-2728

Mortgage

Document Number	0003808149
Date	Aug 20, 2020
Instrument	3808149

Lender

Name	STIFEL BANK & TRUST
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2050

December 2019: Grant Deed, Mortgage

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 3, 2019
Property Address	4910 MAXWELL AVE, LONGMONT, CO 80503-2728
Instrument Date	Nov 26, 2019
Instrument	3752196
Transaction Type	Mortgage
Record Updated	Dec 16, 2019
Title Company	ATTORNEY ONLY

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Partnership
Address	8246 E NORTHFIELD BLVD #2510 DENVER CO 802383109, 2510, DENVER, CO 80238-3109

Mortgage

Document Number	0003752196
Date	Dec 3, 2019
Instrument	3752196

Lender

Name	FLAGSTAR BK
Type	Bank
Address	5151 CORPORATE DR, TROY, MI 48098-2639

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

October 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 23, 2018
Property Address	4910 MAXWELL AVE, LONGMONT, CO 80503-2728
Document Number	0003682494
Instrument Date	Sep 28, 2018
Instrument	3682494
Transaction Type	Transfer
Record Updated	Nov 2, 2018
Title Company	GOLDEN DOG TITLE AND TRUST

Transaction

Amount	Amount Recorded
Tax	$79.50
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Partnership
Address	717 17TH ST #1900 DENVER CO 802023305, 1900, DENVER, CO 80202-3305

Mortgage

Document Number	3682495
Date	Oct 23, 2018
Instrument	3682495

Lender

Name	RCN CAP
Type	Funding / Finance Company
Address	75 GERBER RD E # 102, SOUTH WINDSOR, CT 06074-3202

Agreement

Amount	Amount Recorded
Term	24 Months
Due	Oct 22, 2020

February 2018: Grant Deed, Construction Loan

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Feb 2, 2018
Property Address	4910 MAXWELL AVE, LONGMONT, CO 80503-2728
Document Number	0003639021
Instrument Date	Jan 31, 2018
Instrument	3639021
Transaction Type	Construction Loan
Record Updated	Feb 26, 2018
Title Company	GOLDEN DOG TITLE AND TRUST

Transaction

Amount	Amount Recorded
Tax	$119.89
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
Investor	Possibly a Property Investor

Mortgage

Document Number	3639222
Date	Feb 2, 2018
Instrument	3639222

Lender

Name	COBIZ BK
Type	Bank
Address	1401 LAWRENCE ST # 1200, DENVER, CO 80202-2521

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	24 Months
Due	Feb 1, 2020

Interest

Rate Type	Adjustable Rate

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		$76,955 (+8.8%) Land $10,941 Building $66,014	$1,131,700 (-) Land $160,900 Building $970,800
2025	$7,425.00 (+14.27%)	$70,731 (-2.52%) Land $10,056 Building $60,675	$1,131,700 (+4.5%) Land $160,900 Building $970,800
2023	$6,498.00 (+19.65%)	$72,561 (+32.19%) Land $10,452 Building $62,109	$1,083,000 (+37.12%) Land $156,000 Building $927,000
2022	$5,431.00	$54,892 Land $7,986 Building $46,906	$789,800 Land $114,900 Building $674,900

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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