831 Robert St, Longmont, CO 80503 Property Records

Boulder County property record for 831 Robert St, Longmont, CO 80503

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.25 ba · 3,235 sqft · built 2017
Lot Size	0.04 acres (1,748 sqft)
Owner	Individual Name on File
Last Sale	$559,692 (Apr 2018)
Tax Bill	$5,009 (2025)
Deeds & Mortgages	Sep 2026 Transfer Apr 2018 Sale & Mortgage + 3 more
Flood Zone	Zone X (moderate risk)
APN	`1315-07-0-16-001`

Property Details

APN / Parcel Number

Primary APN	`1315-07-0-16-001`
Alternative APN	`R0603419`

Interior

Bedrooms	5 Beds
Full Baths	4.25 Baths
Half Baths	2 Half Baths
Total Rooms	8 Rooms
Building Area	3,235 sqft Living Area
Gross Area	3,889 sqft
1st Floor Area	1,127 sqft
Upper Floors Area	1,218 sqft
Basement Area	1,124 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2017
Effective Year Built	Effective 2019
Architectural Style	Townhouse
Exterior Material	Composition Siding
Construction Type	Frame
Roof Material	Asphalt
Lot Area	1,748 sqft (0.04 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	181 sqft
Deck Area	168 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0603419
Street Address	831 ROBERT ST
City	LONGMONT
State	CO
Zip	80503-9444
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 ST VRAIN HIGH SCHOOL #4 REPLAT A
Legal Range	69
Legal Township	2N
Legal Section	7
Legal Subdivision	ST VRAIN HIGH SCHOOL 4 REP A
Legal Block	3
Legal Lot Number	1
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	3
Census Block	3034
Census Tract	13215

Owner

831 Robert St is owned and occupied by an individual who acquired it in August 2026.

Source: Boulder County records, as of October 13, 2026

Owner of Record	Individual Name on File
Mailing Address	831 ROBERT ST, LONGMONT, CO 80503-9444
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Sep 16, 2026	Quit Claim Deed, Transfer LAND TITLE
Apr 11, 2018	Grant Deed, Transfer · Conventional Mortgage SOFI LNDG
May 11, 2018	Quit Claim Deed, Transfer GOLDEN DOG TITLE AND TRUST, GOLDEN DOG TITLE & TR
Jan 19, 2017	Loan Modification, Mortgage · Line of Credit TEXAS CAP BK
Jan 23, 2017	Grant Deed, Transfer DREAM FINDERS TITLE LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 11, 2018 · Amount on File
Deed Sale	Apr 11, 2018 · Amount on File
Deed Document Number	20183650211
Last Transfer Date	Aug 14, 2026
Transfer Doc	0004147458
Record Updated	Oct 29, 2026

September 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 16, 2026
Property Address	831 ROBERT ST, LONGMONT, CO 80503-9444
Document Number	0004147458
Instrument Date	Aug 14, 2026
Instrument	20264147458
Transaction Type	Transfer
Record Updated	Sep 25, 2026
Title Company	LAND TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	831 ROBERT ST, LONGMONT, CO 80503-9444

April 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 11, 2018
Property Address	831 ROBERT ST, LONGMONT, CO 80503-9444
Document Number	0003650211
Instrument Date	Apr 9, 2018
Instrument	3650211
Transaction Type	Transfer
Record Updated	Apr 19, 2018
Title Company	GOLDEN DOG TITLE AND TRUST

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$55.97
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	6714 SNEAD CT LONGMONT CO 805038342, LONGMONT, CO 80503-8342

Mortgage

Document Number	3650212
Date	Apr 11, 2018
Instrument	3650212

Lender

Name	SOFI LNDG
Address	HEALDSBURG, CA 95448

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Apr 10, 2048

May 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	May 11, 2018
Property Address	831 ROBERT ST, LONGMONT, CO 80503-9444
Document Number	0003655057
Instrument Date	Apr 9, 2018
Instrument	3655057
Transaction Type	Transfer
Record Updated	Jan 12, 2019
Title Company	GOLDEN DOG TITLE AND TRUST, GOLDEN DOG TITLE & TR

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	6714 SNEAD CT LONGMONT CO 805038342, LONGMONT, CO 80503-8342

January 2017: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	BOULDER CO
Property Address	831 ROBERT ST, LONGMONT, CO 80503-9444
Document Number	0003570395
Instrument Date	Jan 19, 2017
Transaction Type	Mortgage
Record Updated	Jan 8, 2019
Title Company	NOT AVAILABLE

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Investor	Possibly a Property Investor

Mortgage

Document Number	0003570395
Date	Jan 23, 2017
Instrument	3570395

Lender

Name	TEXAS CAP BK
Type	Bank
Address	DALLAS, TX 75201

Agreement

Type	Line of Credit

Interest

Rate Type	Adjustable Rate

January 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 23, 2017
Property Address	831 ROBERT ST, LONGMONT, CO 80503-9444
Document Number	0003570388
Instrument Date	Jan 19, 2017
Instrument	3570388
Transaction Type	Transfer
Record Updated	Feb 1, 2017
Title Company	DREAM FINDERS TITLE LLC

Transaction

Amount	Amount on Record
Tax	$72.80
Amount Accuracy	Confirmed
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2727 BRYANT ST #230 DENVER CO 802114260, 230, DENVER, CO 80211-4260
Investor	Possibly a Property Investor

Tax Assessment & Valuation

The 2025 property tax bill for 831 Robert St was $5,009, up 11.3% from the year before.

Source: Boulder County assessment roll, as of September 18, 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		$47,158 (-1.18%) Land $768 Building $46,390	$763,500 (-) Land $81,300 Building $682,200
2025	$5,009.00 (+11.34%)	$47,719 Land $5,081 Building $42,638	$763,500 Land $81,300 Building $682,200
2024	$4,499.00 (+1.37%)
2023	$4,438.00 (+13.27%)	$50,726 (+28.12%) Land $5,380 Building $45,346	$757,100 (+32.89%) Land $80,300 Building $676,800
2022	$3,918.00	$39,594 Land $4,031 Building $35,563	$569,700 Land $58,000 Building $511,700

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

FEMA maps place 831 Robert St in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 10 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	10 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

Wildfire risk around 831 Robert St is moderate, ranking above 44% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 44% of the US · lower than 73% of Colorado
Wildfire Likelihood	0.1% 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 95 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
NextLight Fiber	10,000 / 10,000
CenturyLink Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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