4157 19th St, Boulder, CO 80304 Property Records

Boulder County property record for 4157 19th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 3,512 sqft · built 1912
Lot Size	0.533 acres (23,214 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,680,000 (Sep 2025)
Tax Bill	$11,731 (2025)
Deeds & Mortgages	Sep 2025 Sale & Mortgage Sep 2018 Transfer
Flood Zone	Zone X (minimal risk)
APN	`1463-18-3-24-016`

Property Details

APN / Parcel Number

Primary APN	`1463-18-3-24-016`
Alternative APNs	`R0071883` `0071883`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Half Baths	3 Half Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,512 sqft Living Area
Gross Area	4,340 sqft
1st Floor Area	1,432 sqft
Upper Floors Area	1,296 sqft
Basement Area	784 sqft
Finished Basement	784 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1912
Effective Year Built	Effective 2000
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	23,214 sqft (0.533 acres)
Garage Type	Attached
Garage Area	828 sqft
Parking Spaces	3 Parking Spaces
Porch	Porch
Porch Area	274 sqft
Deck Area	238 sqft

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0071883
Street Address	4157 19TH ST
City	BOULDER
State	CO
Zip	80304-0902
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 19 & 20 BLK 11 MOORES & 30 FT VAC RIVERSIDE AV
Legal Range	70
Legal Township	1N
Legal Section	18
Legal Subdivision	MOORES & REPLAT LOT 15 BLK 30 - BO
Legal Block	11
Legal Lot Number	19
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3000
Census Tract	12105

Owner

Source: Boulder County records, as of September 18, 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	4157 19TH ST, BOULDER, CO 80304-0902
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants in Common

Deeds, Mortgages & Sale History

Date	Document
Sep 23, 2025	Warranty Deed, Transfer · Conventional Mortgage XPERT HOME LENDING INC
Sep 26, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 23, 2025 · Amount on Record
Deed Sale	Sep 23, 2025 · Amount on Record
Prior Sale	Aug 10, 1988 · Amount on Record
Deed Document Number	20254103118
Prior Transfer Date	Sep 26, 2018
Prior Transfer Doc	0003678118
Record Updated	Oct 29, 2026

September 2025: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 23, 2025
Property Address	4157 19TH ST, BOULDER, CO 80304-0902
Document Number	0004103118
Map Reference	MB 1015 PG 444
Instrument Date	Sep 22, 2025
Instrument	4103118
Transaction Type	Transfer
Record Updated	Oct 13, 2025
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$168.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	4157 19TH ST, BOULDER, CO 80304-0902

Mortgage

Document Number	0004103120
Date	Sep 23, 2025
Instrument	4103120

Lender

Name	XPERT HOME LENDING INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2055

Mortgage

Document Number	0004103119
Date	Sep 23, 2025
Instrument	4103119

Lender

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

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2055

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 26, 2018
Property Address	4157 19TH ST, BOULDER, CO 80304-0902
Document Number	0003678118
Instrument Date	Sep 26, 2018
Instrument	3678118
Transaction Type	Transfer
Record Updated	Oct 8, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	4157 19TH ST BOULDER CO 803040902, BOULDER, CO 80304-0902
Investor	Possibly a Property Investor

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$124,787 (+1.43%) Land $78,601 Building $46,186	$1,905,100 (-3.22%) Land $1,155,900 Building $749,200
2025	$11,731.00 (-2.44%)	$123,032 (-10.08%) Land $72,244 Building $50,788	$1,968,500 (-6.14%) Land $1,155,900 Building $812,600
2024	$12,024.00 (+1.76%)	$136,827 (-2.62%) Land $71,643 Building $65,184	$2,097,200 (-) Land $1,124,300 Building $972,900
2023	$11,816.00 (+21.08%)	$140,512 (+33.71%) Land $75,328 Building $65,184	$2,097,200 (+38.69%) Land $1,124,300 Building $972,900
2022	$9,759.00	$105,091 Land $60,778 Building $44,313	$1,512,100 Land $874,500 Building $637,600

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
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 32 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	32 in force
Nearby Flood Claims	26 (2005–2015)
Claims Outside the SFHA	10 of 26
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 23 claims

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 79% of Colorado
Wildfire Likelihood	0.07% annual chance
Exposure	Direct burnable vegetation

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 BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 384 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
CenturyLink DSL · Fiber in parts of the area	140 / 20
AT&T Fixed Wireless	100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on 19th St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures